diff --git a/src/main/java/gr/uom/java/xmi/decomposition/AbstractCall.java b/src/main/java/gr/uom/java/xmi/decomposition/AbstractCall.java
index 1987d4cf6..eb9641a89 100644
--- a/src/main/java/gr/uom/java/xmi/decomposition/AbstractCall.java
+++ b/src/main/java/gr/uom/java/xmi/decomposition/AbstractCall.java
@@ -333,7 +333,7 @@ public boolean equalArgumentsExceptForStringLiterals(AbstractCall call) {
 
 	public boolean isStringLiteral(String argument) {
 		return (argument.startsWith("\"") && argument.endsWith("\"")) ||
-				(argument.contains("(\"") && argument.contains("\")"));
+				(argument.contains("(\"") && argument.endsWith("\")"));
 	}
 
 	public boolean equalArguments(AbstractCall call) {